PPT-06 Input and Output

Functional Programming Streams Two kinds of streams Character streams Binary streams Character streams are Lisp objects representing sources andor destinations of characters To read from or write to a file you open it as a stream but streams are not identical with files. 70 57520C Opencircuit overload and shortcircuit stable Integrated input fuse Redundancy unit CPA RU offering true redundancy available as accessory Signalling contact 13 14 solid state for output voltage OK LEDs for status indication Approvals UL 508 Overview of I/O Streams . To bring in information, a program opens a . stream. on an information source (a file, memory, a socket) and reads the information sequentially, as shown in the following figure. . & . output. . units. G. . K.. Presentation. . C. omputer. is an electronic device which takes input and gives . outpu. t!. In. . computing. , . input/output. , or . I/O. , refers to the communication between an information processing system (such as a computer). Prof. . . Zoltan. . Francisc. . Baruch. Computer Science Department. Technical University of. Cluj-Napoca. IOSPD Discipline . Information (1). General objective. Knowledge of operation and performance parameters for I/O interfaces and peripheral devices. 5. Chapter Topics. 2. UNIT 5A: Input Hardware. 5. .1. Keyboards . 5. .2 . Pointing Devices. 5. .3. Source Data-Entry Devices. 5.4 The Future of Input. UNIT . 5B: . Output Hardware. 5. Chapter 11. Reading and Writing . Textfiles. Data is often stored in files such as a text file. We need to read that data into our program. Simplest mechanism. Scanner class. First construct a FileReader object with the name of the input file.. 2. Output – Four Types. video. audio. text. graphics. Output Device. An . output device. accepts processed data from the computer and presents the results to the user.. Display Devices. The most common form of output device is a . Computer Literacy BASICS: A Comprehensive Guide to IC. 3. , 3. rd. Edition. Morrison / Wells. 2. 2. 2. Objectives. Identify and describe standard and specialized input devices.. Identify and describe standard and specialized output devices.. streams. A simple input stream accepts typed data from a keyboard. A simple output stream writes data to the terminal. Standard Input/Output Streams. A . stream. is a sequence of characters. Streams . Input and Output By: Billy & Ashley What is it? Input/output is a communication system between an information processing system, such as a computer. Connects systems to the outside world Input/output is the name given to the device depending on its role Input / Output and Exception Handling Chapter 11 Reading and Writing Textfiles Data is often stored in files such as a text file We need to read that data into our program Simplest mechanism Scanner class CS-3013, Operating Systems. (Slides include . copyright materials . Modern . Operating Systems. , 3. rd. ed., by Andrew Tanenbaum and from . Operating System Concepts. , 7. th. . and 8. th. ed. ., by . MCOTS-C-48-12-HPHalf-brickProduct MCOTS-C-48-12-HPPhone 1-888-567-9596wwwsynqorcomDoc 005-0005342 Rev G07/24/20Page 1The MilQor series of Mil-COTS DC-DC converters brings SynQor146s field proven hig Introduction. Data Input: . Three methods. 1. Assign data to variables through an assignment statement . 2. Input data from Keyboard . 3. Read data from a file stored in computer memory. Data Input .